Effects of the application rate and time of the growth regulator trinexapac-ethyl in seed crops of Lolium perenne L. in relation to spring nitrogen rate

The results show that DC31-33 is the best time to apply 0.8 L Moddus ha−1. In second seed harvest crops of lawn types applying 0.8 L Moddus ha−1 together with increasing the amount of spring nitrogen can be considered.